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[Linphone-users] invalid SDP on PC with two interfaces

From: Сергей Пачков
Subject: [Linphone-users] invalid SDP on PC with two interfaces
Date: Wed, 20 Apr 2011 13:34:21 +0400

On my Windows XP PC I have two ethernet cards with IPs: and

I (A-side) call to address@hidden (B-side). Route table has rule to send packets through

SIP  INVITE sends from and SIP negotiation looks FINE but in INVITE/SDP connection field

and side B of call will send RTP to which isn't accessable from B-side.
in this case B-side will listen A-side but A-side wouldn't listen B-side.

It will be nice when SDP part will contain proper connection line with IP which LinPhone uses to communicate with B-side.

In this case LinPhone sends everything from but in SDP it points RTP to (this is wrong)

in attachment I placed network dump gathered by WireShark

/Sergey Pachkov

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